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illusions

02:38AM | 02/16/03
Member Since: 02/15/03
5 lifetime posts
Bvhvac
Hi I have the following installation of my 12 year old radiant heating with gas furnance system. 4000 sf area.

The problem i am having is zone 4, zone5 and zone6 sometime having fast cycle on the furnance. Could there be a possibility of wiring error by the old installer?

Or should I replace the old thermostat to simple digital type themostat (non-programable) for better accuracy in temperature detecting? Please advice and thanks

========

All zone thermostat anticipator are set to .4
6 -- honeywell mercury thermostat w/ anticipator white and black wire
6 -- honeywell zone valve, yellow1, yellow2, orange1, orange2 wire

2 -- 24v control circuit stepdown transformer label R and C

zone 1 to 3 are all 1st floor
zone 4 basement
zone 5 2nd fl master bed
zone 6 2nd fl other bed room

========
white wire – thermostat W
black wire – thermostat R

========

zone 1 themostat black wire to zone valve 1 yellow1
zone 2 themostat black wire to zone valve 2 yellow1
zone 3 themostat black wire to zone valve 3 yellow1

themostat zone #1,#2,#3 bundle to a white wire to 24v transformer1 "c"

zone valve #1,#2,#3 yellow2 wire bundle to a black wire to 24v transformer1 "r"

========
THIS IS THE PART I FEEL THERE COULD BE AN ERROR

zone 4 themostat black wire to zone valve 4 yellow1
zone 5 themostat black wire to zone valve 5 yellow1
zone 6 themostat black wire to zone valve 6 yellow1

themostat zone #4,#5,#6 bundle to a white wire to 24v transformer2 "r"

zone valve #4,#5,#6 yellow2 wire bundle to a black wire to 24v transformer2 "c"

SHOULD I SWITCH THEM TO AS FOLLOWS?
themostat zone #4,#5,#6 bundle to a white wire to 24v transformer2 "C" INSTEAD

zone valve #4,#5,#6 yellow2 wire bundle to a black wire to 24v transformer2 "R" INSTEAD


==========
zone 1 to zone 6 orange1 wire to black wire to boiler
zone 1 to zone 6 orange2 wire to white wire to boiler

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