WattMaster WHP | Section 2 |
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Connect To Next WHP Controller And/Or MiniLink On Local Loop
Local Loop
9600 Baud
Outside Air
Temp. Sensor
WHP Loop Controller Expansion Board
C21 |
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| D1 |
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CX1 | U2 CX2 | CX3 |
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RN1 | CX4 |
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| 1 |
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| U1 |
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| U4 |
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TB1 |
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| RLY1 | V1 |
COMM |
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| D2 |
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T |
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SHLD |
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RCX5 |
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LD6 | U5 |
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| R1 | ||
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COMM |
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RAM | EPROM |
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LD7 | COMM |
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1 | HH |
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PWR |
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LD8 | RN3 | U6 | YS101816 REV. 2 | RN2 | D4 | R4 |
LED1 |
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LD9 |
| C1 |
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| R5 |
LED2 | P1 |
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| RLY4 | |
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R1 | +VREF |
| CX6 |
| TB2 | |
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| 5.11V |
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R (24 VAC By Others)
R1 
Compressor Enable
R2 
Main Pump
R3 
Standby Pump
N.C. Pilot Duty Relays
Return Water Temp Sensor
Supply Water Temp Sensor
See Note 4
| U7 TEST POINT |
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| PHILIPS |
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| RV1 | EWDOG |
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| VREF ADJ |
| R28 |
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INPUTS |
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| +VDC |
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| 1 |
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| 2 | |
| RN5 |
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| 4 | ||
| AIN1 |
| PU1 |
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| AIN2 |
| D6 |
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| 16 |
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| PU2 |
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| 32 | |
| AIN3 |
| D7 |
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| TOKEN |
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| PU3 |
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| NETWORK | |
| AIN4 |
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| SW1 |
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| PU4 |
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| AIN5 |
| D9 |
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| PU5 |
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| GND C10 | D11 |
| VDC |
| VDC |
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| PU7 | X2 | ||||||
| GND |
| D14 |
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| JP1 |
| C12 |
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| AOUT1 | U13 |
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| R15 | |
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| AOUT2 |
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| C14 |
| AIN7 |
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| CX13 |
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| GND | C17 | D15 |
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| U15 |
| C15 | ||
TB3 | PJ1 |
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| R22 |
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| R24 |
C2 |
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| X1 |
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C3 | 1 |
| RLY5 |
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| RN4 |
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| U9 |
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| CX8 |
CX10 |
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| C7 |
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U10 |
| D10 | R7 |
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| L1 | D13 | R10 |
C11 | CX12 |
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| D12 |
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| R13 |
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| SC1 |
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U12 |
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CX14 |
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U14 |
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| D19 |
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| D16 |
R11
V4
V5
U8
NE5090NPB3192
0PS
R6
C9 |
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9936 | U11 |
MC34064A |
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C13
C16
TB4
GND
(By Others)
Alarm Indicator
Required VA For Transformer
Loop Controller = 8VA Min.
GND
Optional Pressure Transmitter
Proof of Flow
| C20 | R25 |
| CX15 | |
| R26 | PJ3 |
PRESSURE | PJ2 | |
SENSOR |
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EXPANSION |
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D17 | D18 | C18 | C19 |
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| 7824CT |
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| M |
T'STAT VR1 | VR2 | ||
24VAC
Line Voltage
24VAC
See Note 1
Manual Reset
Phase
Loss
Pump VFD | - | |
+ | ||
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Optional | - | |
+ | ||
Modulating Heat |
Notes:
1.)24 VAC Must Be Connected So
That All Ground Wires Remain
Common.
2.)All Wiring To Be In Accordance With Local And National Electrical Codes And Specifications.
3.)All Communication Wiring To Be 2 Conductor Twisted Pair With Shield. Use Belden #82760 Or Equivalent.
4.)When a Water Pressure Transmitter Is Used, a 250 Ohm Resistor is Installed Between AIN3 & GND and The Pull Up Resistor PU3 is Removed.
| N.C. Pilot Duty Relays |
| (By Others) |
Heating/Cooling #1 | R4 |
Heating/Cooling #2 | R5 |
Heating/Cooling #3 | R6 |
Heating/Cooling #4 | R7 |
24 VAC |
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Heating/Cooling #1 | R8 |
Heating/Cooling #2 | R9 |
Heating/Cooling #3 | R10 |
Heating/Cooling #4 | R11 |
24 VAC |
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Fire Alarm Contact (N.C.)(See Note 5) | |
Request to Run Contact (N.O.) | |
| Relay Contacts |
| (By Others) |
GND | 24VAC |
4RLY IO BD. YS101790
4RLY IO BD. YS101790
AIN1
AIN2
AIN3
AIN4
GND
AOUT1
4 ANALOG IN MOD I/O BD. YS101784
5.)If a Fire Alarm Contact is Not Connected to AIN1 on The Analog Expansion Board, Then a Jumper Must Installed Between AIN1 and GND.
WHP Loop Controller Expansion Board
WHP Loop Controller Wiring
Figure2-4:
Installation and Wiring |
