Honeywell L641 Surface Contact Thermostat Instructions
L641 SURFACE CONTACT THERMOSTAT
SUMMER / WINTER CHANGEOVER FOR 2-
PIPE FAN-COIL UNITS
WIRING DIAGRAMS
L641A1039
DHWS ControL
L641B1012
High Limit
Timer
Heating Load
Heating Load and
existing controls
Terminal 2 used on Honeywell
Y-Plan systems
Contacts C and 1 break on
temperature rise
L641B1004
L641B1004 Automatic Summer/
Winter Changeover XE70 series
Typical wiring
Low Limit
(Frost
Protection)
XE70 Series
Connected to override existing
time and temperature controls
Contacts C and 1 make on
temperature fall
Fan coil
Unit
Honeywell Control Systems Limited
Newhouse Industrial Estate
Motherwell ML1 5SB
Helping You Control Your World
United Kingdom
l641-en0r8444-uk07r0515
| General | Details |
|---|---|
| Name | Honeywell L641 Surface Contact Thermostat Instructions |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.15 MB |
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