PAC-M200-A Interface Module for PremiSys
®
Air Products
9
Control Methods
AUTO (Outdoor Reset) Control
System Supply Air will operate based on the Outdoor Reset Se
tti
ngs
Control method when the PremiSys is providing air into VFR Indoor Units
1. Leave the switches in factory default pos
iti
on on the interface control board
2. Set Microprocessor "Supply Temp Set Point" source to BMS
3. Set Microprocessor "ON/OFF" control source to BMS
4. On central controller, set the system group to ON
5. On central controller, set the system group mode to Auto
The Set Temp. cannot be changed while opera
ti
ng in the auto mode
The current Set Temp. will be displayed
See VRF and PremiSys Integrated Control Func
ti
on below for descrip
ti
on
of Mode prohibit
Note:
Mode prohibit can be ON or OFF
Controlling System Supply Air Temp from the central controller
System Supply Air Temp will operate based on the se
tti
ng in the central controller
Control method when air is directly into the space
1. Leave the Dip switches in factory se
tti
ng pos
iti
on on the interface control board
2. Set Microprocessor "Supply Temp Set Point" source to BMS
3. Set Microprocessor "ON/OFF" control source to BMS
4. On central controller, turn the system group to ON
5. On central controller, turn the system group mode to Cool or Heat
The Set Temp. for Cool or Heat mode will be the same
The unit will determine the Mode autom
ati
cally
6. Set the Set Temp. to a temperature that represents the average space Set Temp.
served by this DOAS unit,, for example 72° F
Note:
Mode prohibit can be ON or OFF
See VRF and PremiSys Integrated Control Func
ti
on below
Recommended OFF when providing outside air directly to the space
VRF and PremiSys Integrated Control Func
ti
on
Overide the Supply Air Temperature setpoint in the above control setups
Best used when the air is supplied to the VRF indoor units
When all indoor units are in Cool mode and thermal ON,
the reheat will be turned o
ff
and 55°
F air will be supplied
Under Prohibit Remote Controller Oper
ati
on, use the MODE prohibit switch
to ac
ti
vate and deac
ti
vate the this func
ti
on
Prohibit as shown, turns the func
ti
on OFF
Permit pos
iti
on turns the func
ti
on ON
Cool mode func
ti
on only
Cannot change se
tti
ng. Will display
temperature based on reset chart above
OR
PremiSys
®
PremiSys
®
PremiSys
®
72
72
© 2015 Mitsubishi Electric US, Inc.
Premi
Sys
