Installation manual

035-16682-000-E-0303
Unitary Products Group 91
FIGURE 49 - TYPICAL WIRING FOR VAV UNIT WITH GAS HEAT
(700 M B H O N LY )
535/W
507/B R
513/Y
480 & 700 M B H H E A T O N LY
480 & 700 M B H H E A T O N LY
2T
714/O
713/B R
716/O
715/B R
27FU
26FU
25FU
24FU
V2
V1
L1
IC 2
TH
509/P R
PSW
519/R FLA M E SE N S O R
S1
539/Y(R )2 4 V A C
GND
RS2
504/B R
513/Y
524/W
701/O
540/B R
507/B R
702/O
BLK
517/P R
522/P R
253/Y
(TO APS-NO )
253/Y
X1X3X2X4
H2H1
575V LIN E
VOLTAG E
SHO W N
715/B R
716/O
575V P R I.
230V S EC .
543/P R
BLK
717/O
540/B R
RS3
GND
(R )24V A C 539/Y
S1
FLAM E SENSO R544/R
PSW
542/P R
TH
IC 3
L1
V1
V2
541/B R
IN D
SPARK
ORN
GV3
TR
TH
PS3 LS3
537/G Y
538/G Y
536/G Y
CNO
510/G Y
(T O F R 1 -4 )
700 M BH HEAT ONLY
1
DRAFT
MOTOR
No.3
BLK
BLK
700 M BH HEAT ONLY
(T O F R 1 -4 )
(T O T B 2 )
504/B R
535/W
512/W
CNO
NO C
707/O
708/B R
503/P R
TH
TB1
L3
L2
FO R 208/230V SE E
M A IN P O W E R D IA G R A M
FOR OTHER VOLTAGES
(SEE DETAIL "A")
511/G Y
508/G Y
502/W
BLK
BLK
DRAFT
MOTOR
No.2
1
IC 1
518/G Y
LS2
PS2
L1
V1
V2
230V S EC .
460V P R I.
460V LIN E
VOLTAG E
SHO W N
501/W
H1 H3 H2 H4
X4 X2 X3 X1
515/B R
BLK
BLK
DRAFT
MOTOR
No.1
1
IN D
LS1
PS1
SPARK
ORN
GV1
TR
TH
GAS HEAT-VAV UNIT
CAUTION: OPEN ALL DISCONNECTS
BEFO RE SERVICING THIS UNIT
035-15564D 000 R EV . B
ELEM ENTARY DIAG RAM
PSW
514/R FLAM E SE N S O R
S1
(R )2 4 V A C
GND
RS1
TH
TR
GV2
ORN
SPARK
IN D
520/B R
DETAIL "A"
24FU
25FU
BLK
701/O
713/B R
714/O
26FU
27FU
X1X3X2X4
H4H2 H3H1
380/415V SH O W N
U S E T H E L 2 L IN E
CO R RESPO NDING
TO THE UNIT SUPPLY
VOLTAG E
380 O R
415V P R I.
230V S EC .
24FU
24FU
26FU
27FU
715/B R
715/B R
713/B R
714/O
BLK
701/O
2T
2T
L2
L2
TB1
708/B R
708/B R
L2
L3
TB1
708/B R
707/O
(415-50H Z O N LY )
25FU
716/O
L3
707/O
(380-50/60H Z O N LY)
(SEE N O TE 8)