Honeywell thermostat CM721 1 Day Wireless Programmable Thermostat User Manual

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CM721 ..................................2-6
CM727 ................................7-11
USER GUIDE 

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Features
•	 Ergonomic	user	interface	featuring	an	‘OK-button’.
•	 Large	LCD	(Liquid	Crystal	Display)	Screen.
•	 4	independent	temperature	levels	(from	5°C	to	35°C).
•	 Automatic	Summer/Winter	Time	Change.•	Optimum	Start	to	achieve	the	right	temperature	at	the	right	time.•	 Built-in	Memory	holds	the	user	program	indefinitely.
Description
The	Honeywell	 CM721	is	a	programmable	 room	thermostat	designed	 to	control	 your	heating	system	 efficiently,	 providing	comfortable	 temperatures	 when	you	are	at...

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SETTING-UP THE CM721 ‘Getting Started’
This section shows you how to setup and run the thermostat in 3 simple steps:
STEP 1: Installing the Batteries
Note:  Please  follow  the  instructions  in  this  section  only  if  the  thermostat  screen  is  blank  (no 
symbols or digits are displayed). If the room temperature is already displayed move on to Step 2: 
Setting the Date and Time.
To install the Batteries:
a.
 Lift up the front cover of the thermostat to reveal the battery cover and product...

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Period 1 2 3  4 Time	 6:30	 8:00	 18:00	 22:30
Temperature	 21°C	 18°C	 21°C	 16°C
The Built-in Heating Program
The	 built-in	 heating	 program	 has	4	temperature	 level	changes	 that	can	be	set	 between	 3.00am	and	2.50am	 the	following	 day	-	allowing	 you	to	maintain	 the	evening	 temperature	 after	midnight.	Each	 temperature	 level	can	be	set	 between	 5°C	and	 35°C,	 and	adjusted	 in	0.5°C	 increments.	 The	factory	default	program	for	heating	is	as	follows.
Reviewing the Heating Program
To	review...

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Choosing the Operating Mode
The	thermostat	 can	operate	 in	three	 different	 modes:	Automatic,	 Manual	or	Off.	 To	set	 the	 operating	mode	 press	either	 of	the	AUTO,	MAN or	OFF buttons.	 The	screen	 indicates	 which	mode	is	currently	active	by	displaying	AUTO,	MAN or	OFF.
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AUTO (automatic)	 mode	 sets	the	thermostat	 to	follow	 the	built-in	 temperature	 program	(default	or	personalised).	 Operating	the	thermostat	 in	this	 mode	 is	the	 best	 way	to	maintain	 a	high	 level	of	temperature	comfort...

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How do I change the batteries on the thermostat when they run out?
The	thermostat	 constantly	monitors	the	battery	power	 level,	which	 typically	 lasts	for	about	 2	years	before	 needing	 replaced.	 When	the	power	is	running	 low	a	flashing		symbol	 will	be	displayed	 on	the	 screen.	 To	change	 the	batteries	follow	 the	steps	 in	the	 above	 section	 (‘STEP  1: 
Installing  the  Batteries’	 on	 page	 3),	replacing	the	 used	 batteries	 with	new	 ones	 in	Step	 c.	Note:	 While	 changing	 the	batteries...

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Symptom
Blank	Display	(Power	Loss).
Display	shows	flashing	 symbol.
Display	shows		symbol.
Display	shows	the	word	'SERVICE'
BDR91	red	LED	is	constantly	on	or	flashing
Remedy
Check	batteries	are	installed	by	removing	the	battery	cover.
Check	batteries	have	been	installed	in	the	correct	orientation.
Replace	the	batteries.
The	batteries	in	the	thermostat	are	low	on	power	-	Replace	the	batteries.
A	fault	has	occurred	in	your	heating	system.	Remove	and	re-insert	the	batteries.
If	the		symbol	does...

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CM727 - USER GUIDE
Features
•	 Ergonomic	user	interface	featuring	an	‘OK-button’.•	Large	LCD	(Liquid	Crystal	Display)	Screen.•	 7-day	heating	program	to	match	your	lifestyle,	whilst	maximising	energy	savings.•	4	independent	temperature	levels	per	day	(from	5°C	to	35°C).•	 Holiday	button	saves	energy	by	letting	you	reduce	the	temperature	for	1	to	99	days.•	 Automatic	Summer/Winter	Time	Change.•	 Optimum	Start	to	achieve	the	right	temperature	at	the	right	time.•	 Built-in	Memory	holds	the	user	program...

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SETTING-UP THE CM727 ‘Getting Started’
This section shows you how to setup and run the thermostat in 3 simple steps:
STEP 1: Installing the Batteries
Note:  Please  follow  the  instructions  in  this  section  only  if  the  thermostat  screen  is  blank  (no 
symbols or digits are displayed). If the room temperature is already displayed move on to  Step 2: 
Setting the Date and Time.
To install the Batteries:
a.
  Lift up the front cover of the thermostat to reveal the battery cover and product...

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‘Efficient Daily Use’ PROGRAMMING THE CM727
Modifying the Heating Program
To change the heating program:
a. Press	either	 of	the	PROGRAM 	or		buttons	 to	enter	the	programming	 mode.	The	time	 /	temperature	settings	 for	period	1	on	 Monday	 (Day	1)	will	 be	flashing	 as	shown.	 The	active	 period	 is	highlighted	 by	a	flashing	 square	around	 the	numbers	 at	the	 bottom	 of	the	screen	 and	the	selected	 day	is	shown	 with	the	day	indicator.b. To	adjust	 the	period	 start	time	use	the	 	or		buttons,...