Humidifier Control; Sequence Of Operation; Humidistat - Mitsubishi Electric CITY MULTI PAC-AH001-1 Installation Manual

– Table 3 shows how the time delay is selected
Table 3. [Time Delay Selection Table]
Function Setting
108-1
108-2
108-3
108-4
a
Time delay can only be selected with MA controller. If use of a non-MA controller is desired, the time delay must first be
selected with the MA controller. Then the non-MA controller can be attached and used.
b
Time delays are approximate.
c
The default time delay setting is 20 minutes.

8.6 Humidifier Control

13.5. Humidiier

Sequence of operation:

Humidiier Control
1. The humidistat closes CNF
2. The fan starts on high
1. The humidistat closes CNF
3. CN25 provides 12VDC to turn on the Humidifier (do not exceed 1 Watt draw per relay)
4. When the Humidistat opens, the fan continues to run for 30 seconds to clear the ductwork of moist air 3. CN25 provides 12VDC to turn on the Humidiier
5. If defrost starts during humidifier operation CN25 de-energizes
5. If defrost starts during humidiier operation

Humidistat:

CN25 de-energizes
Non-Voltage a-contact input
Non-Voltage a-contact input
Contact rating voltage >=15VDC
Contact rating voltage >=15VDC
Contact Rating Current > = 0.1 A
Contact Rating Current > = 0.1 A
Minimum Applicable Load =< 1mA at DC
OFF
OFF*
PAC-AH001-1
a
Action
Set Time Delay to 10 minutes
Set Time Delay to 15 minutes
Set Time Delay to 20 minutes
Set Time Delay to 25 minutes
max 30 ft.
49
Heat operation & Thermo OFF
Heat operation & Thermo ON
b
c
OFF
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