Installation manual

035-16682-000-E-0303
94 Unitary Products Group
FIGURE 52 - LEGEND FOR CV UNIT
T R R E L A Y , A U T O F A N P O S T P U R G E (G A S H E A T O P T IO N )
W R 2 R E L A Y , C O N T R O L H E A T
W R 1 R E L A Y , C O N T R O L H E A T
O R R E L A Y , E C O N O M IZ E R
C R 1 R E L A Y , C O N T R O L C O O L IN G
C R 4 R E L A Y , C O N T R O L C O O L IN G
C R 3 R E L A Y , C O N T R O L C O O L IN G
C R 2 R E L A Y , C O N T R O L C O O L IN G
T B 1 0 T E R M IN A L B L O C K
PRO PORTIO NAL INTEGRAL SEQ UENCE CO NTRO LLER
TRANSDUCER, PRESSURE
T B 1 2 T E R M IN A L B L O C K , T H E R M O S T A T
PT1-2
PISC
91306160
LS1-3
700 M B H
P
S 6 S W IT C H , H E A D P R E S S U R E (F A N C Y C L IN G S Y S .2 )
T B 6 T E R M IN A L B L O C K
L O R 3 -6 R E L A Y , L O W P R E S S U R E L O C K O U T
F O R A 2 0 8 V S U P P L Y , M O V E W IR E 1 3 2 /R T O T E R M IN A L H 2 O N 1 T .
F O R A 2 0 8 V S U P P L Y , M O V E W IR E 7 1 0 /R T O T E R M IN A L H 2 O N 4 T .
F O R A 3 8 0 V S U P P L Y , M O V E W IR E 1 3 2 /R T O T E R M IN A L H 2 O N 1 T .
F O R A 3 8 0 V S U P P L Y , M O V E W IR E 7 1 5 /B R T O T E R M IN A L H 2 O N 2 T .
F O R A 3 8 0 V S U P P L Y , M O V E W IR E 7 1 0 /R T O T E R M IN A L H 2 O N 4 T .
(3 R E Q U IR E D P E R 5 M O R 1 0 M S T A R T E R )
K72
K69
50H Z
K73
K70
K64
K58
K54
K67
K60
K56
380/
415
380-
60H Z
460V
K63
K63
K69
K57
K54 K50K677.5 H P
K54K7010 H P
K73
K70
K61
K83
K77
K74
208/
230V
25 H P
20 H P
15 H P
575VMOTOR H.P.
60 H Z
FURNAS- O VERLO AD HEATER ELEM ENT PART No.S
A L L C L A S S R K -5 F U S E S A R E R A T E D A T 2 5 0 V F O R 2 0 8 /2 3 0 V
U N IT S A N D A T 6 0 0 V A C F O R A L L O T H E R V O L T A G E S .
ALL CLASS CC FUSES ARE RATED AT 600VAC
*SP L2- R E P LA C E 30FU (10A , 250V ) W ITH B U S S M A N M D L10,
GOULD SHAW NUT GDL10
*SPL1- REPLACE 26-27FU (3A, 250V) W ITH BUSSM AN M DL3,
GOULD SHAW NUT GDL3, LITTLEFUSE 313003
RK-58881215--16-18FU(30TON)
*S P L 2
333
30
4
C C -600V
*S P L 1
C C -600V
C C -600V
RK-5
RK-5
RK-5
RK-5
RK-5
RK-5
RK-5
RK-5
RK-5
3 (250V )--26-27FU
CLASS
5
5
10
50
O L O V E R L O A D (S E E C H A R T F O R D E S IG N A T IO N S )
D M M O T O R , D R A F T F A N (G A S H E A T )
1 1 . W H E N E C O N O M IZ E R IS IN S T A L L E D , S E T T H E L /R S W IT C H O N A C T 1 T O T H E "R "
P O S IT IO N . W H E N P O W E R E X H A U S T IS IN S T A L L E D , S E T T H E L /R S W IT C H O N A C T 2 T O
T H E "R " P O S IT IO N , S E T T H E E L M M IN IM U M P O S IT IO N P O T E N T IO M E T E R F U L L Y
COUNTER-CLOCKW ISE (0% ), AND SET THE CHANGEOVER SETPOINT TO "A" FOR
A L L E C O N O M IZ E R S , E X C E P T D U A L E N T H A L P Y W H IC H S H A L L B E S E T T O " D ."
CLO2 60
640CLO1
2CB BREAKER, CIRCUIT 20.0 AMP
PS5 1032010180
15--28-29FU
2.5--24-25FU
SSP1 PRESSURE, BUILDING STATIC
ELM M ODULE, ECONOM IZER LOGIC
C M M O D U L E , C O N T R O L
L O R 1 -2 R E L A Y , L O W A M B IE N T L O C K O U T
8 . 2 0 8 /2 3 0 V U N IT T R A N S F O R M E R S A R E F A C T O R Y W IR E D F O R 2 3 0 V , S E E B E L O W F O R 2 0 8 V
380V-60HZ UNIT TRANSFORM ERS ARE FACTORY W IRED FOR 380V
380/415-50HZ UNIT TRANSFORM ERS ARE FACTORY W IRED FOR 415V.SEE BELO W FOR 380V
CLO1 SW ITCH, COOLING LOCKOUT 40° F
P S 5 S W IT C H , H E A D P R E S S U R E (F A N C Y C L IN G S Y S .1 )
7. FOR DRY BULB CONNECT TO SO AND + W ITH 620 OHM RESISTOR ACROSS SR AND +.
ACT1 ACTUATOR, ECONOM IZER
A C T 2 A C T U A T O R , P O W E R E X H A U S T D A M P E R S
IC 1 -3 M O D U L E , IG N IT IO N C O N T R O L (G A S H E A T )
1.5
30 35
202520
25 35
15
70
45
15
10
" "
" "
15
50
40
50H Z
12
1.5
20
12
60
45
35
20
25
35
25
35
380/
415
380V
LP1 - 4 523538
MANUAL10430HP1 - 4
+/-CLOSE+/-OPEN
OPERATING PRESSURE (PSIG )DEVICE
PRESSURE CO NTROLS
RS1-2
LS1-2
200
150
12
5130 7
--- ---
TEM PER ATU RE C O N TR O LS
DEVICE CONTRO L SETPO INT (DEG F)
OPEN +/- CLO SE +/-
A P S S W IT C H , A IR P R O V IN G
9 M C O N T A C T O R , C O N D E N S E R F A N N o .4
4 M C O N T A C T O R , C O M P R E S S O R N o .4
CV UNIT
6. FOR SINGLE ENTHALPY USE 620 OHM RESISTOR ACROSS SR AND +.
5. REMOVE JUM PER J3 (P-P1) W HEN USING THE Q769 CO2 OVERRIDE. THE CO2 SENSOR MUST
B E P O W E R E D B Y A N IS O L A T E D T R A N S F O R M E R .
L S 1 -3 S W IT C H , L IM IT (G A S H E A T )
P S 1 -3 S W IT C H , P R E S S U R E M A K E S @ .3 3 I.W .C . M A X . (G A S H E A T )
RS1-3 SW ITCH, ROLLOUT (GAS HEAT)
460V
30
30
40
8
15
1.5
20
25
10
2050--1-12FU
154513-15FU
20
15
60
45
25
1.53
35
25
100
80
70
208/
230V
--
7.5
--
25
20
15
22-23FU
19-21FU
16-18FU(40TON)
" "
" "
" "
575VHPFUSE
60 H Z
FUSE SIZE (AM PS)**SEE NO TE 4**
10M STARTER, POW ER EXHAUST FAN
8 M C O N T A C T O R , C O N D E N S E R F A N N o .3
7 M C O N T A C T O R , C O N D E N S E R F A N N o .2
6 M C O N T A C T O R , C O N D E N S E R F A N N o .1
5 M S T A R T E R , IN D O O R B L O W E R
3 M C O N T A C T O R , C O M P R E S S O R N o .3
2 M C O N T A C T O R , C O M P R E S S O R N o .2
NOTES:
4. SEE UNIT NAMEPLATE FOR M AXIM UM OVERCURRENT PROTECTIVE DEVICE SIZE AND M INIM UM
CIRCUIT AMPACITY.
3 . A L L M O T O R S A R E P R O T E C T E D U N D E R P R IM A R Y , S IN G L E P H A S E C O N D IT IO N , A L L C O N D E N S E R
FAN M OTORS ARE INTERNALLY PROTECTED. COMPRESSORS ARE PROTECTED BY A SOLID
S T A T E D E V IC E M O U N T E D IN T H E C O M P R E S S O R T E R M IN A L B O X . T H E P O W E R E X H A U S T A N D
SUPPLY FAN M OTORS ARE PROTECTED THROUGH THE 5M , 10M STARTERS SEE THE CHART
BELOW FOR THE M ANUFACTURER AND PART NUM BER OF THE OVERLOAD HEATERS.
2. CAUTION: LABEL ALL W IRES PRIOR TO DISCONNECTION W HEN SERVICING CONTROLS.
W IR IN G E R R O R S C A N C A U S E IM P R O P E R A N D D A N G E R O U S O P E R A T IO N . IF A N Y O F
T H E W IR E A S S U P P L IE D W IT H T H IS U N IT M U S T B E R E M O V E D , IT M U S T B E R E P L A C E D
W ITH TYPE 105 DEGREE C, 600 VOLT W IRE OR EQUIVALENT CLEARLY RENUM BERED
F O R ID E N T IF IC A T IO N . V E R IF Y P R O P E R O P E R A T IO N A F T E R S E R V IC IN G .
1 . A L L F IE L D W IR IN G T O B E A C C O M P L IS H E D F O L L O W IN G C IT Y , L O C A L A N D /O R
N A T IO N A L C O D E S IN E F F E C T A T T IM E O F IN S T A L L A T IO N O F T H IS U N IT .
F IE L D W IR IN G A N D D E V IC E S
O P T IO N A L W IR IN G A N D D E V IC E S
FACTORY W IRING AND DEVICES
T B 2 T E R M IN A L B L O C K , 2 4 V C O M M O N
T B 1 T E R M IN A L B L O C K , M A IN P O W E R
L P 1 -4 S W IT C H , L O W P R E S S U R E C O N T R O L
RY1-2 RELAY, STAGING
GV1-3 G AS VALVE (G AS HEAT)
1-30FU FUSES (SEE CHART FOR AMP.)
1 T T R A N S F O R M E R , 2 4 V S E C .
1 M C O N T A C T O R , C O M P R E S S O R N o .1
LEG E N D
CAUTION: OPEN ALL DISCONNECTS
BEFORE SERVICING THIS UNIT
0 3 5 -1 6 1 1 3 D 0 0 0 R E V . B
2 T T R A N S F O R M E R , 2 4 0 V S E C . (G A S H E A T )
HP1-4 SW ITCH, HIGH PRESSURE CONTROL
9 . F A C T O R Y S E T T IN G F O R S S P 1 ; P R E S S U R E S E T P O IN T IS 0 .1 I.W .C ., N U L L S P A N
IS .0 2 I.W .C .. F O R N E G A T IV E B U IL D IN G S T A T IC P R E S S U R E S E T P O IN T , S W A P T H E
L O W /H IG H P R E S S U R E C O N N E C T IO N S S O T H A T T H E H IG H P R E S S U R E P O R T IS C O N N E C T E D
T O T H E A T M O S P E R E A N D T H E L O W P R E S S U R E P O R T IS C O N N E C T E D T O T H E B U IL D IN G .
(C O N N E C T W IR E 3 1 6 /W T O " S S P 1 -H I" A N D 3 1 7 /O T O "S S P 1 -L O ")
4 T T R A N S F O R M E R , 1 2 0 V O U T L E T
M A T S E N S O R , M IX E D A IR T E M P E R A T U R E
M R R E L A Y , B L O W E R M O T O R
DS SW ITCH, POW ER DISCONNECT
30FU -- 10 (250V )
BR1 RELAY, SUPPLY FAN INTERLO CK (HEAT)
6T TRANSFORM ER, HEAD PRESSURE CONTROL
7 T T R A N S F O R M E R , 2 K V A
CLO2 SW ITCH, COOLING LOCKOUT 0° F
TB7-8 TERMINAL BLOCK HEAD PRESSURE CONTROL
T B 9 T E R M IN A L G R O U N D IN G
12. REMOVE W IRE 319/BL W HEN HEAD PRESSURE CONTROL OPTION IS INSTALLED.
8 T T R A N S F O R M E R , 2 4 V T O 2 4 V
T D R 1 R E L A Y , T IM E D E L A Y M A K E @ 8 -1 2 M IN , B R E A K @ 2 -4 M IN
TH1 SW ITCH, TEM PERATURE SET @ 55 F DEG , CLO SE ON RISE
VFDC VARIABLE FREQUENCY DRIVE CONTROL HEAD PRESSURE