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© 2019 tekmar 564_Q - 10/19
Relay menu
The Relay menu determines how the thermostat
operates the mechanical equipment.
• Press the button to enter the settings menu
• Press the SETUP button
• Press the RELAYS button
1
Select conventional or heat pump
systems.
2
Select the number of heating and
cooling stages.
3
Select if operating a radiant floor.
4, 6, 8, 10
Select the temperature
differentials between stages.
5, 7, 9, 11
Select the time delays between
stages.
12, 13
Select the air conditioner or heat
pump compressor min off and
min run times.
14
Select if operating a dual fuel
system.
15, 16
Select accessory relay options:
Humidifier, Dehumidifier, HRV/
ERV
17
Select the heat pump reversing
valve position
18, 19
Select the system fan options.
20, 23
Select humidifier and
dehumidifier options.
21, 22
Select window frost protection
options. This prevents moisture
and frost on windows in the
winter.
24
Select the time to switch
between heating to cooling and
vice versa
RELAYS 2
Heat 3 Time Delay: 1 min
Heat 4 Differential: 3.0 °F
Cool 2 Differential: 2.0 °F
Cool 2 Time Delay: 1 min
Y Min Run Time: 2:00 min
Heat 4 Time Delay: 1 min
RELAYS
Heating Type: Conventional
Equipment: 1 Heat/1 Cool
Heat 2 Differential: 2.0 °F
Heat 2 Time Delay: 1 min
Heat 3 Differential: 2.5 °F
Radiant Floor Heating: No
RELAYS 3
Y Min Off Time: 5:00 min
Dual Fuel: Off
Accessory Relay 2: Off
HP Reversing Valve: O
Fan Relay: G only
Accessory Relay 1: Off
RELAYS 4
Fan with HRV/ERV: Off
Humidifier Type: Steam
Window Quality: 2-pane average
Dehumidifier Type: DX Coil
Heat-Cool Time Interlock: 10 min
Window Protection: Off
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