- WattMaster Water Source Heat Pump Operations Manual
Section 2 WattMaster WHP
2-6 Installation and Wiring
WHP Loop Controller
The WHP Loop Controller may be installed in any convenient protected location. It is
recommended that the loop controller be mounted indoors in a secure location, that is not
subject to extremes in temperature or moisture.
R
L
Y
1
D
1
D
2
D
3
D
4
D
5
C
X
3
RAM
EPROM
C
3
C
2
U6
PHILIPS
CX6
C1
CX2
U2
U3
PAL
CX4
U4
TUC-5R PLUS
YS101816 REV. 2
V1
V2
V3
V5
V4
TB2
4
NETWORK
TOKEN
16
32
8
SW1
ADD
2
1
ADDRESS
V6
POWER
GND
24VAC
L1
D16
R6
C9
SC1
R
1
1
U
1
1
MC34064A
D
1
3
C16
993
6
VR2
7824CT
M
TB4
R27
C13
R
1
0
VR1
C19
C18
NE5090NPB3192
0PS
U8
C
X
8
U9
X
1
R
7
D
1
0
R13
D12
C7
CX10
U10
CX12
U12
U14
CX14
PJ3
PJ2
PJ1
EXPANSION
PRESSURE
SENSOR
T'STAT
C17
D15
R26
C20
R25
R24
R22
U15
CX13
U13
C15
R19
R15
C14
D18
D17
PU1
PU2
PU3
PU4
PU5
PU7
D6
D7
D8
D9
D11
D14
C12
C10
0-5
VDC
0-1
VDC
JP1
C11
X2
GND
TB3
INPUTS
GND
GND
+VDC
AIN1
AIN2
AIN3
AIN4
AIN5
AOUT1
AOUT2
AIN7
R
N
4
1
RN5
RS-485
CX5
U5
R
TB1
SHLD
T
COMM
COMM
RN3
1
RN1
U1
CX1
1
LD6
COMM
PWR
LD7
LED1
LED2
LD9
LD8
R1
U7
RV1
VREF ADJ
R28
+VREF
5.11V
TEST POINT
EWDOG
D19
R
N
2
1
COM1-3
COM4-5
R5
R4
R3
R2
R1
R
L
Y
2
R
L
Y
3
R
L
Y
4
R
L
Y
5
CX15
(1 MEG)
HH
P1
C21
6.2’’
WHP Loop Controller Expansion Board
WHP Loop Controller Main Board
6.6”
7.3”
.20 Dia.
Typ. of 4
4.0”
9.5”
8.29”
8.96”
4.24”
0.28”
2.12”
WHP Loop Controller