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PAGE 12

MAXA-MI$ER

Ô

UNITARY ENERGY RECOVERY VENTILATOR

MODEL VR011A12H & B12H (STATIONARY) 

 INSTALLATION

INSTRUCTIONS

5257541-UAI-A-0616 / R11A-29YSDW

In order for the ERV to operate with maximum
effectiveness the Smart Equipment Control (SEC) must
have the latest 3.1 (or greater) firmware installed. In order
to determine the version of firmware present within the
control follow the menu steps below.

Status> Scroll down to "Update"> Enter> View Version

If a firmware update is required be sure to perform a
backup of the units factory settings if updating the
firmware. The procedure below outlines the backup and
restore functions of the SE units control board. Once the
procedures outlined in the document, the following set
points will have been changed to the status shown below.

I - Set Points

Set Points

Sta tus

BACOid

Economizer En able

ON

29747

Power Ex haust En able

ON

29787

Non-Mod u lat ing  Power  Ex haust

ON

29503

These settings can be accessed within the RTU- SE UCB
menu.  Please refer to the RTU's SE "

Quick Start

" guide

for menu navigation using the onboard LCD display,
joystick and enter/cancel buttons. 

Please see the

following pages for instructions on how to navigate
the Smart Control (SE) menus and setting up the
control to operate with an ERV.

II - SE Procedures to Backup / Restore

1.

Once the packaged unit is powered up the 120 second
startup delay begins. Once the delay expires there
may or may not be a "

Start Up

" delay displayed. To

cancel the second time delay press the "

Cancel

"

button for six seconds. 

See Figure 1.

Startup

Figure 1

Update

Figure 2

Backup

Figure 3

2.

Once the control is out of time delay mode, press the
Joystick down through the following menus: 

Status>

Alarms> Summary> Commission> Controller>
Update, Push ENTER

 (

See Figure 2

)

3.

Once the screen and cursor are on "

Update

".

Press 

Enter 

and scroll through the menus until the

screen and cursor displays "

Backup

". If an USB flash

drive is present or is inserted into the on board USB
port, pressing enter when "

Backup

" is displayed the

backup will begin sending factory defaults and other
settings to the USB flash drive. 

See Figure 3.

4.

Once the backup is performed (Screen shows BCFG
100%) the 3.1 or greater version of the controls
firmware can be loaded. Please see the details on the
following pages on how to perform the firmware
updates.

III– SE Procedures to Update 

Updating the program in the SE control by USB if
required.

WARNING! 

In order for the ERV to properly operate with

the SE control version 3.1.0.0.0128 or greater must be
installed. Load the appropriate files to a clean USB Flash
Drive as indicated in the prior five steps. 

(Files located on UPGNET>UST and Technical
Services Center>Tech Services Software Updates)

Summary of Contents for VR011A12H

Page 1: ...37 Lbs Crated 2 Remove crating and retrieve bag assembly that is inside of UERV 3 All panels must be in place for rigging 4 Lifting straps are needed to lift the unit CAUTION Danger of sharp metallic edges Can cause injury Take care when servicing unit to avoid accidental contact with sharp edges WARNING Electric shock hazard Can cause injury or death Before attempting to perform any service or ma...

Page 2: ...he installation of the UERV 10 Locate provided rolls of and 1 8 gasket material Apply gasket to the middle and bottom decks or the UERV apply the 1 8 gasket to the perimeter of the transition assembly that connects the RTU to the UERV 4 Install the provided balancing damper assembly into the return air section of the RTU See Figure 3 5 Adjusting the balancing damper for the minimum airflow require...

Page 3: ...ee Figure 8 15 Lower the UERV on to the platform support rail then secure the UERV to the adaptor panel using the provided screws 16 On units requiring a top filler panel install panel by tucking the top of the panel under the top of the RTU and angling in so that the bottom of the panel covers the top flange of the UERV Secure with provided screws See Figure 9 Note An equipment support or pressur...

Page 4: ... media is polymeric material that is coated and permanently bonded with a dry desiccant for total enthalpy recovery The wheel is belt driven by PSC motor and drive belt When slowly rotating through counter flowing exhaust and fresh air streams the UERV adsorbs sensible heat and latent heat from the warmer air stream and transfer this total energy to the cooler air stream during the second half of ...

Page 5: ...r dampers installed inside the RTUs return air section Adjustment of the damper is made by loosening the wingnut adjusting the damper blades and then tightening the wingnut before closing the panel and measuring again 4 Once desired the CFM is reached replace the plastic plugs in the access holes in the doors X Maintenance Motor Maintenance All motors use prelubricated sealed bearings no further l...

Page 6: ...Options AA No Options Installed L1 Low Ambient Kit LAK L2 LAK MOA L3 LAK MOA SSJ not used on P models L4 LAK MOA SSJ PS not used on P models L5 LAK SSJ not used on P models L6 LAK SSJ PS not used on P models L7 LAK PS L8 LAK MOA and PS M1 Motorized Outside Air MOA M2 MOA SSJ not used on P models M3 MOA SSJ PS PS not used on P models M4 MOA PS S1 Stop Start Job SSJ not used on P models S2 SSJ PS no...

Page 7: ...PAGE 7 ...

Page 8: ...PAGE 8 ...

Page 9: ...ack Field Harness J160 Jack Damper Motor Harness J161 Jack Damper Exhaust Motor Harness K163 Relay Exhaust Air Motor K164 Relay Fresh Air Motor MPD 1 Missing Pulse Detector Board Optional P48 Plug Fresh Air Motor Harness P50 Plug Wheel Motor Harness P51 Plug Exhaust Air Motor Harness P56 Plug Damper Motor Harness P148 Plug Fresh Air Motor P150 Plug Wheel Motor P151 Plug Exhaust Air Motor P152 Plug...

Page 10: ... p O 5 r e p m a d e k a t n i d e z i r o t o m l a n o i t p O 6 l o r t n o c g o j d n a t r a t s p o t s l a n o i t p O 7 d e e p s O L r o D E M r o f e r i w e r o t p u t e s d e e p s I H e h t s w o h s m a r g a i D s d e e p s O L r o D E M I H r o f d e r i w e b y a m t i n U 1 0 1 K B o t 1 0 1 H W t c e n n o c o s l A O L r o f 1 0 1 D R r o D E M r o f 1 0 1 L B t c e n n o c d...

Page 11: ...EQUIPMENT LAYOUT PAGE 11 ...

Page 12: ... ERV II SE Procedures to Backup Restore 1 Once the packaged unit is powered up the 120 second startup delay begins Once the delay expires there may or may not be a Start Up delay displayed To cancel the second time delay press the Cancel button for six seconds See Figure 1 Startup Figure 1 Update Figure 2 Backup Figure 3 2 Once the control is out of time delay mode press the Joystick down through ...

Page 13: ...ast you return by pressing the joy stick lever up until the Update screen appears Screen will read Contrler Controller Update Enter Cancel Buttons Figure 6 View Ver Figure 7 LoadFirm Figure 8 Confirm Figure 9 USB OK Figure 4 4 Press ENTER Screen will read View Ver Version Load Firm Backup 5 Toggle Joy stick down so the arrow is next to Load Firm 6 Press ENTER Screen shows software versions present...

Page 14: ...it control 1 Scroll through menus by pressing down on joystick Status Alarms Summary Commission Econ Economizer Enable Make sure this is set to Yes ERV En Figure 11 Econ En Figure 10 3 The economizer minimum setting must be set at 50 or greater Status Alarms Summary Commission PowerEx ERV Enable Make sure this is set to Yes 4 Once the ERV is set to Enable the ERV will operate any time the unit is ...

Page 15: ...PAGE 15 MAXA MI ERÔ UNITARY ENERGY RECOVERY VENTILATOR MODEL VR011A12H B12H STATIONARY INSTALLATION INSTRUCTIONS 5257541 UAI A 0616 R11A 29YSDW This Page Intentionally Left Blank ...

Page 16: ...apter panels as required Follow accessory and unit installation manuals q Verify field wiring including the wiring to any accessories q Check all multi tap transformers to insure they are set to the proper incoming voltage q Verify correct belt tension as well as the belt pulley alignment Tighten if needed q Prior to energizing the unit inspect all the electrical connections q Power the unit Bump ...

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