Airmax MaxAir 100 LV, Инструкция по установке и обслуживанию

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Page 25
PUMP SWITCH (A1, A2, A3) TIMING AND FUNCTION LOCKOUT.
THE FOLLOWING DIAGRAM SHOWS THE TIMING OF THE PUMP RELAY. ITS OPERATES
WITH THE TIMING AND BLOWER AND X1,X2 RELAY LOCKOUT PERIODS SHOWN.
NOTE: POWER MUST BE CYCLED TO ENTER OR TO LEAVE THE TEST MODE. THE SELECTED
STATE (TEST OR NORMAL OPERATION) BECOMES EFFECTIVE ONLY AFTER POWER IS
RESTORED.
WIRING FOR 2 STAGE OPERATION
Two stage heating Two stage cooling
Option 1: True 2 stage heating.
On DCC7235S board, jumper is removed between
W1-W2 at H7 and wires are run to W1 and W2 from
2 stage heating thermostat. Switch 1 on SW1 must
be set to 1&2 STG HT.
Or
Option 2: Timed 2 stage heating
To achieve timed two stage heating with a single
stage wall thermostat, wire is run to either W1 or W2
and jumper is between W1-W2. Switch 1 on SW1
must be set to Timed 2
nd
STG HT (factory setting).
Both settings yield air flow levels defined in Table A
& Table B for W1 & W2.
On DCC7235S board when
jumper is removed between
Y1-Y2 at H6 and a 2 stage
thermostat is wired to the
board at Y1 & Y2.
Both settings yield air flow
levels defined in Table A &
Table B for Y1 & Y2.