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20
SSPxx000x – SS Manifold Pump Panels
Installation, Operation, and Maintenance
Panel Wiring
Note: Terminal headers are removable to make wiring connections easier.
• 24V low voltage power may be supplied to the thermostat. Wiring of thermostat
should be done by qualified electrician and should meet local codes and
jurisdictions. Wiring to the terminal strip requires 18 gauge 4 wire.
Thermostat Wiring
2-Wire Thermostat
(battery only or non-electric)
3-Wire Thermostat
(HeatLink thermostats)
4-Wire Thermostat
(with dry contact signal)
W
R
C
1
2
1
1
2
2
24 V
Signal
W
R
C
1
2
1
1
2
2
24 V
24 V
Signal
W
R
C
1
2
1
1
2
2
Signal
24 V
24 V
Jumper to
Dry Contact
Other Terminals
Auxiliary Contacts
The auxiliary contact set is dry, meaning no supply of power is present at the terminal. The
maximum allowable load is 8A. The auxiliary dry contact located on the terminal is to switch
another device (ie. the heat source) when there is a call for heat from any zone.
Actuator Contacts
Connect up to 4 actuators per zone.
Auxiliary
Contacts
