TemperZone HWP Series - Page 7

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HWP
c/w UC8 Client
Wiring Schematic
MARKETING SERVICES 29.6.17 Revision F
HWP Unit
12
B
A
0V
12V
B
A
GND
SAT-3
UC8
UC8
UC8 UC8
24
B
A
24C
TZT-100*
Room T/stat Options
24V AC
option*
Alternative
compatible
3 speed
thermostat
or
BMS
(independently
powered)
Hi
Me
Lo
C1
E
N
L1 L2 L3
Power Supply
1Ø (2 core+E)
or
3Ø (4 core+E)
depending on unit
External
Protection
Isolator
HIGH MED LOW
COMP HEAT
On
0V
Optional Remote On/Off (remove link if used)
CP
HT
C2
Optional Water Flow Verfication switch (normally open) (remove link if used)
WATER FLOW1 WATER FLOW2
link
WATER PUMP1 WATER PUMP2
Optional Circulating Pump Control output AC only, max. 0.25A RMS (voltage free solid state relay contacts)
N/O
C
N/C
Relay 1
Optional Open/Close Flow Valve output (voltage free dry relay contacts)
Optional Condensate Lift-Pump output (voltage free dry relay contacts)
N/O
C
Relay 2
D1
SC
UC8
Optional Condensate Drain Tray float switch (normally closed) (remove link if used)
Optional
Communicating
BMS Controller
Modbus RTU
12V DC
option*
B1
A1
0V
B
A
REF
Control
- shielded
twisted pair
2 core + screen
link
Control
- shielded
twin twisted pair
4 core
*Use either option; NOT both.
* For all HWP models set TZT-100 DIP switches 2 & 4 to ON, DIP3 to OFF.
UC8 (AUX/SRB)
Optional Run Status
UC8 (FLT/FRB)
Optional External Fault Alarm
N/O
C
N/C
N/O
C
N/C