HARDY MANUFACTURING CO., INC (MODEL H25) PAGE 13
SECTION III
CONNECTION TO CENTRAL HEATING/AC SYSTEM
3-1
Connection to Central Unit with Existing Blower Relay
CONNECTED TO ONE CENTRAL HEATING/AC SYSTEMS THAT
HAS AN EXISTING BLOWER RELAY AND ONE PUMP USING
HONEYWELL RELAY R8222D FOR THE PUMP RELAY AND THE
NEW BLOWER RELAY.
This unit must be wired by a qualified electrician
in accordance with the National Electrical Code.
1 Run a three conductor thermostat wire from the wood heater to central unit in the
house. This wire must be rated for underground use or be run inside a watertight pipe.
The colors normally are red, white, and green.
2 At the heater connect the white wire to terminal 8 of the water pump relay (R-3).
3 Connect the red wire to one side of the low temperature sensor (the round disc with
two terminals under the insulation near the center of the heater appx. 12” from the top).
This is an option that prevents the plumbing of water less than 100ºF but is not
required. If you elect not to use this option, then only a two wire conductor is required,
bypassing the low temperature sensor.
4 Connect a jumper wire from the other side of the low temperature sensor to
terminal 7 of the water pump relay (R-3) and also connect the green wire to terminal 7
of R-3. If two wires are used then one is connected to terminal 7 and the other to
terminal 8.
5 Inside the house:
A. Install the new wood heating thermostat next to the existing thermostat.
1. Remove the cover on the new home heat thermostat to mount it
on the wall. There is a round dial visible with an adjustable
pointer. This is the heat anticipator. The dial also has a series of
numbers. The pointer must be set to the highest number on the
dial. On the Honeywell model #(t 822-1016), the pointer is
turned counter clockwise as far as it can go.
6 Run a two conductor thermostat wire from the new thermostat to central unit:
A. The colors normally used are red and white.
NOTE: If you are not familiar with the control circuit of your central
unit, do not continue beyond this point. Call a heating and air
conditioning serviceman to complete the wiring. Improper wiring can
cause excessive electrical usage or cause your blower motor to over
heat and burn out.
Содержание H25
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