Operating instructions

Table 11 — Energy Management Module (EMM) Inputs and Outputs

* A field-supplied 1/2 watt 250 ohm resistor is required across terminals TB6-1,2 (CH6) and/or TB6-3, 4 (CH5).

INPUT/OUTPUT DESCRIPTION I/O TYPE DISPLAY MODULE POINT NAME CONNECTION POINT

4-20 mA Demand Limit 4-20 mA Demand Limit 4-20 mA* Limit 4-20 mA Signal, DMD EMM-J7B-CH6

4-20 mA Temperature

Reset/Cooling Setpoint

4-20 mA Temperature Reset/

Cooling Set point

4-20 mA*

Reset/Setpnt 4-20 mA Signal, RSET

EMM-J7A-CH5

Demand Limit SW2 Demand Limit Step 2 Switch Input Switch Limit Setpoint 2, DLS2 EMM-J4-CH9

Ice Done Ice Done Switch Switch Input Ice Done Storage Switch, ICE.D EMM-J4-CH11A

Occupancy Override Occupied Schedule Override Switch Input Occupied Override Switch, OCCS EMM-J4-CH8

Remote Lockout Switch Chiller Lockout Switch Input Remote Interlock Switch, RLOC EMM-J4-CH10

SPT Space Temperature Thermistor 10k Thermistor Optional Space Temp, SPT EMM-J6-CH2

% Total Capacity Percent Total Capacity Output 0-10 vdc Chiller Capacity Signal, CATO EMM-J8-CH7

RUN R Run Relay Relay Running Status, RUN EMM-J3-CH25

SHD R Shutdown Relay Relay Shutdown Indicator State, SHUT EMM-J3-CH24

221

100K

24 VAC

12 11

11b

CH 5

CH 6

CH 7

SIO LEN

+ G -

SIO LEN

J7B

J7A

J4 J3 J2B

J2A

Fig. 13 — Energy Management Module

a30-4465