MTD ERV 350, ERV 365 manual Menu P5 ! Setting additional control functions

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Menu P5 ! Setting additional control functions

		Values for additional control functions
Sub-menu	Description	Minimum	Maximum	Standard
P50	Activation of	0 (= No)	1 (= Yes)	0
	the chimney sweep control system.
P51	Indicate whether	0 (= No)	1 (= Yes)	0
	preheater is installed.

Note:

change only if a preheater was subsequently installed.

If the MTD-ERV 350 has to be reset to the works settings via P75, a subsequently installed preheater will be reset as standard to "ABSENT".

• Check the presence of the preheater after a general reset via menu P75.

P52	Setting the		0	3	2
	preheater control.
	ϖ	Level 0
	ϖ	Particularly safe setting.
		Level 1
	ϖ	Safe setting.
		Level 2
	ϖ	Nominal setting.
		Level 3
		Economy setting.

Note:

ThePREHEATERISSWITCHEDONEARLIESTWITHTHEparticularlysafesetting.Thislevelthusoffersthe greatest safety for maintaining balanced ventilation. On the other hand, the preheater is switchedonthelatestintheECONOMYSETTING.Thislevelthusofferstheleastsafetyformaintain- ing balanced ventilation.

During commissioning of the MTD-ERV350 the preheater control can generally be left on Level 2:NOMINAL SETTING (= works setting).Only in areas with cold winters (with daytime tem- peraturesregularlyapprox.-10°Corbelow)shouldLevel1:SAFESETTINGorevenLevel0:PARTICU-

LARLY SAFE SETTINGS be selected.

			Values for additional control functions
Sub-menu	Description		Minimum	Maximum	Standard
P53	Indicate presence of an extractor hood.		0 (= No)	1 (= Yes)	0
	Note:
	If an extractor hood is connected to the
	ventilation system, the user can set the
	ventilation levels for the extractor hood
	via P29.
P54	Indicate presence of a bypass.		0 (= No)	1 (= Yes)	1
	Note:
	The MTD-ERV 350 is equipped with a by-
	passasstandard.Thevaluecantherefore
	be left at '1'.
P55	Indicate presence of a post-heater.		0 (= No)	1 (= Yes)	0
P56	Setting the necessary air volume for the		nL	HL	nL
	dwelling.
	•	nL: "Normal air volume".
	•	HL: "High air volume".

Note:

Setting the air volume in P56 (to "nL" or "HL") forms the basis for setting the air specifications and hence for setting the fans. For further information, see section 4.5 and P30 to P37.

Instructions for the Installer 31