Honeywell Economizer Wiring Diagram
W7212 economizer logic modules are used with co2 demand control ventilation dcv sensors and solid state c7400a enthalpy sensors or c7660 dry bulb temperature sensors.
Honeywell economizer wiring diagram. Mount the economizer module on any convenient interior location using the two mounting holes provided on the enclosure using 6 or 8 screws screws are not provided and must be obtained separately. 1 on page 3 as a guide. Operation the purpose of the economizer is to use outdoor air for cooling whenever possible to reduce compressor operation. What you are looking at is a breadboarded up economizer control system on the drafting table in my office built around a honeywell w7212 economizer controller which i am happy to report works.
The economizer module may be mounted in any. Use the dimensions in fig. The wiring diagrams all terminals ending with a 1 as ground. S low leak economizer assembly s w7220 economizer controller s 20k dry bulb temperature control sensor s enthalpy control sensor enthalpy economizer only w7220 economizer controller the economizer controller used on electro mechanical units is a honeywell w7220 which is located in the rtu base unit s control box.
Before installation review the following before installing the the w7220. Power at the n terminal determines the occupied unoccupied setting. Discharge air sensor c7046a direct expansion coil m7415 actuator with w7459a economizer control package c7400 enthalpy sensor c7400 enthalpy. The honeywell home trademark is used under license from honeywell international inc.
I put it together because gary ron and i are currently working on a project with 14 variable flow refrigeration systems vrf all of which have an economizer package but none of which have a. Owner s guides economizer in the field tool 63 9730. No power. For further information on mounting and operation refer to honeywell document 63 2700.
Page 46 section 3 types of analog economizers when wiring any economizer it is very a rule of thumb to follow any honeywell important that you read the notes on the electronic economizer logic module will have correct wiring diagram. Jade economizer controller installation instructions 62 0331 jade pc interface module installation instructions 62 0409 zelix sylk enabled actuator installation instructions 62 0274 duct mounting kit for jade economizer sensors 62 0334. Allows clearance for wiring servicing and removal. Jade economizer module model w7220 this document describes wiring power up basic troubleshooting and common installation issues for the jade economizer module model w7220.
All models proportion outdoor and return air dampers for control of free cooling in commercial hvac equipment. W7212 w7213 w7214 economizer logic modules 63 2596 09 6 table 2. Contains all the essential wiring diagrams across our range of heating controls. Click the icon or the document title to download the pdf.